 |
| energy density: 63 phrases in 18 subjects |
| Astronomy | 2 |
| Construction | 2 |
| Earth sciences | 20 |
| Electronics | 11 |
| Food industry | 2 |
| General | 1 |
| Labor law | 1 |
| Medical appliances | 2 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 2 |
| Nuclear physics | 3 |
| Physical sciences | 5 |
| Radio | 2 |
| Superconductivity | 2 |
| Technology | 2 |
| Дозиметрия | 2 |
| Радиоактивное излучение | 2 |